/**
 * @copyright
 * Copyright (C) 2020 Assured Information Security, Inc.
 *
 * @copyright
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * @copyright
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * @copyright
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <debug.h>
#include <efi/efi_mp_services_protocol.h>
#include <efi/efi_status.h>
#include <types.h>
#include <work_on_cpu_callback_args.h>

/**
 * <!-- description -->
 *   @brief Executes a callback on a specific PP on this architecture.
 *
 * <!-- inputs/outputs -->
 *   @param cpu the PP to execute the callback on
 *   @param callback the callback to call
 *   @param args the arguments for work_on_cpu_callback
 */
void
arch_work_on_cpu(
    uint32_t const cpu, void *const callback, struct work_on_cpu_callback_args *const args)
{
    if (cpu == 0U) {
        args->ret = args->func(args->cpu);
    }
    else {
        EFI_STATUS status = g_mp_services_protocol->StartupThisAP(
            g_mp_services_protocol, callback, cpu, NULL, 0, args, NULL);

        if (EFI_ERROR(status)) {
            bferror_x64("StartupThisAP failed", status);
            args->ret = LOADER_FAILURE;
        }
    }
}
